Brazilian officials are struggling to end an eight-day protest by truckers that threatens exports of a key Brazilian crop, soybeans. The truckers are blocking roads in 10 Brazilian states, delaying deliveries to ports.

A union representing about 400 harbor truckers serving Port Metro Vancouver is calling on the recently tapped head of the new drayage commission, tasked with setting minimum rates and governing licenses, to step down.

U.S. regulators plan to study how truck driver pay methods affect truck and road safety, a step some trucking officials fear could lead to a government role in deciding how and how much drivers should be paid.